The copyist model and the shaping view of reinforcement

Behavioural Processes
Takayuki TannoTakayuki Sakagami

Abstract

The strengthening view of reinforcement attributes behavior change to changes in the response strength or the value of the reinforcer. In contrast, the shaping view explains behavior change as shaping different response units through differential reinforcement. In this paper, we evaluate how well these two views explain: (1) the response-rate difference between variable-ratio and variable-interval schedules that provide the same reinforcement rate; and (2) the phenomenon of matching in choice. The copyist model (Tanno and Silberberg, 2012) - a shaping-view account - can provided accurate predictions of these phenomena without a strengthening mechanism; however, the model has limitations. It cannot explain the relation between behavior change and stimulus control, reinforcer amount, and reinforcer quality. These relations seem easily explained by a strengthening view. Future work should be directed at a model which combine the strengths of these two types of accounts.

References

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Oct 13, 2006·Psychopharmacology·Yael NivPeter Dayan
Apr 10, 2007·Annals of the New York Academy of Sciences·Yael Niv
Nov 30, 2007·Neural Computation·Yutaka Sakai, Tomoki Fukai
Jun 12, 2008·Nature Reviews. Neuroscience·Antonio RangelP Read Montague
Jun 8, 2012·Psychonomic Bulletin & Review·Takayuki Tanno, Alan Silberberg
Nov 14, 2013·Psychological Review·J J McDowell
Dec 18, 2014·Learning & Behavior·Takayuki Tanno, Alan Silberberg

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Citations

Oct 8, 2020·Journal of the Experimental Analysis of Behavior·Charles P Shimp

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